{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58264",
    "entityType": "User",
    "nonce": "0x4db096d64b8deac8280981e0b1decab001fd6a1b3c2caa75b2bc3e7cb9e4b4d5",
    "signature": "0x857e64d8120c5554b457036ba8e411aa74621ccaf970f5b69390941656e1864f0fc9114cef4380cd142b7aee99db6c03eb2174559c7355b2acf7d167f390c0681b",
    "signer": "0xC4e7DcD6A5AC88f4E86b3459Bf65129acBdd3794",
    "userId": "108256647"
  }
}